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| 11. | Iron ore is an iron oxide, not very different from ordinary iron rust. as the oxygen atoms hold the iron |
| 铁矿石是一种氧化铁，与普通的铁锈并无什么不同。由于氧原子同铁原子团得很紧，所以必须给它一些碳来与其化合才能使其与铁分离。 |
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| 12. | or even rain water, zinc protects the adjacent bare iron sacrificially and prevents the spreading of rust |
| 在与电解质如海水甚至雨水接触时，锌以自身的腐蚀来保护相邻的裸露的铁，从而防止锈蚀从镀锌层的裂痕处扩展开来。 |
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| 13. | a filter in the fuel line that screens out dirt and rust particles from the fuel. |
| 能够从燃料中过滤出杂质和金属粒子的放在燃料中的过滤器。 |
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| 14. | Seller in new and wooden cases and necessary measures shall be taken to protect the Contract Equipment from |
| 包装应由卖方负责。卖方交付的所有设备应使用新的、坚固的木箱包装,卖方应采取防潮、防雨、防锈、防震、防腐蚀和防其它损害等必要的保护措施 |
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| 15. | Our products is widely used to remove burs, flash, rust, scratch from the cast, forged, machined parts |
| 我们的产品广泛用于批量去除金属或非金属在铸造，锻造或机械加工后，表面留下的毛刺，飞边，氧化皮，刀痕等，改善表面粗糙度，产生表面光泽，达到镜面效果。 |
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